NFS284 Test 1 UPDATED ACTUAL Questions and CORRECT Answers
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Course
NFS284
Institution
NFS284
NFS284 Test 1 UPDATED ACTUAL
Questions and CORRECT Answers
Human nutrition - CORRECT ANSWER- The study of interactions between human
health and food
Canadian Healthy Eating Index (CHEI) - CORRECT ANSWER- Measures adherence to
Canada's food guide, get points for following and lose points for...
NFS284 Test 1 UPDATED ACTUAL
Questions and CORRECT Answers
Human nutrition - CORRECT ANSWER✔✔- The study of interactions between human
health and food
Canadian Healthy Eating Index (CHEI) - CORRECT ANSWER✔✔- Measures adherence to
Canada's food guide, get points for following and lose points for not, perfect score=100,
worst scores in adolescence, gets better with age, best in childhood when food is mainly
under parental control
Essential nutrients - CORRECT ANSWER✔✔- Nutrients necessary for normal body
functioning that must be provided by diet because the body cannot synthesize them in
sufficient quantities, if absent then see deficiency symptoms/illness and possibly death
Macronutrients - CORRECT ANSWER✔✔- Nutrients required in large amounts, are
carbohydrates, lipids and protein
Amino acids - CORRECT ANSWER✔✔- Building blocks of proteins
Energy sources - CORRECT ANSWER✔✔- Fat and carbohydrates used to support
metabolism and physical activity, protein will also be used if present in excess
Starch - CORRECT ANSWER✔✔- Digestible carbohydrate energy source found in staple
foods like rice, wheat, corn, potato and cassava
,Triglycerides - CORRECT ANSWER✔✔- Major chemical form of lipids in food, is an ester
of glycerol and three fatty acids
Polyunsaturated fatty acid - CORRECT ANSWER✔✔- Fatty acid with one or more double
bonds, beneficial to health, include canola and soybean oil
Monounsaturated fatty acid - CORRECT ANSWER✔✔- Fatty acid with one double bond,
include oleic acid and olive oil
*oleic acid = olive oil*
Essential fatty acids - CORRECT ANSWER✔✔- Linoleic acid and alpha-linolenic acid, are
both polyunsaturated fatty acids
Linoleic acid - CORRECT ANSWER✔✔- Aka omega 6, an essential fatty acid easy to obtain
and synthesize
Alpha-linolenic acid - CORRECT ANSWER✔✔- Aka omega 3, an essential fatty acid that
must be obtained from diet, major source is flax seed oil
Long chain omega 3 fatty acids - CORRECT ANSWER✔✔- Eicosapentaenoic acid (EPA)
and docasahexanoic acid (DHA), omega 3 fatty acids synthesized in the body from alpha-
linolenic acid and found in fatty fish and fish oil supplements, not considered essential
because can be biosynthesized
-lower risk of diseases
Saturated fats - CORRECT ANSWER✔✔- Fats solid at room temperature, derived from
animal products, fatty acid associated with increased risk of disease
Trans fats - CORRECT ANSWER✔✔- -Fats made from hydrogenation of plant-based oils
(chemically modified to be in different chemical position)
Ex. margarines, shortening
-fatty acid associated with increased risk of disease (body doesnt know what to do with them)
, -now have been banned from food supply in US and Canada
Dietary fibre - CORRECT ANSWER✔✔- Indigestible carbohydrate fermented by microflora
of large intestine, limited source of energy, found in whole grains and legumes
Glucose - CORRECT ANSWER✔✔- monosaccaride (carb) circulates blood
-energy source for brain
-want slow consistent amount to brain
Sucrose - CORRECT ANSWER✔✔- Disaccharide of fructose and glucose, made from sugar
cane, linked to obesity
High fructose corn syrup - CORRECT ANSWER✔✔- 1:1 mixture of fructose and glucose,
linked to obesity
Micronutrients - CORRECT ANSWER✔✔- Essential nutrients needed in small amounts, are
vitamins and minerals
Vitamins - CORRECT ANSWER✔✔- Organic micronutrients required for metabolic
processes
Fat soluble vitamins - CORRECT ANSWER✔✔- Vitamins that can be stored in liver and
adipose tissue
-not rapidly depleted
-high intake can be toxic
-vitamins A, D, E and K
*more at risk of disease
Water soluble vitamins - CORRECT ANSWER✔✔- Vitamins not stored in the body, are
rapidly depleted (except B12)
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